Notes: 1977 was the inaugural year. The race distance in 1989 was reported
as 8 km for men and 5 km for women. The race distance for women for 1982
and earlier is believed to have been 4 km. The race distances in 2010 and
2012 were
12 km for the men and 8 km for the women. The race distances in 2015 were
8.2 km for men and 4.5 km for women.

Note: Values reflect the changes in course length
over the years as well as differences in conditions. For example, the
distances after 2004 were clearly much shorter than the distance prior to
2004.Competitive Level (1990-date)